Question
In Problems $25-30$, use the price-demand equation to find $\mathrm{E}(\mathrm{p})$. the elasticity of demand.$$ x=f(p)=25,000-450 p $$
Step 1
The derivative of a constant is zero and the derivative of $-450p$ is $-450$. So, the derivative of the demand function is $f'(p) = -450$. Show more…
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